20175975071

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{97}}^1\times {\mathrm{21059}}^1$

素因数の和:21263

約数の個数: 32

約数和(自身を含む): 24964692480

約数和(自身を除く): 4788717409

約数列:

[1, 7, 17, 83, 97, 119, 581, 679, 1411, 1649, 8051, 9877, 11543, 21059, 56357, 136867, 147413, 358003, 958069, 1747897, 2042723, 2506021, 12235279, 14299061, 29714249, 34726291, 169546009, 207999743, 243084037, 1186822063, 2882282153, 20175975071]

約数ペア:

[(1, 20175975071), (7, 2882282153), (17, 1186822063), (83, 243084037), (97, 207999743), (119, 169546009), (581, 34726291), (679, 29714249), (1411, 14299061), (1649, 12235279), (8051, 2506021), (9877, 2042723), (11543, 1747897), (21059, 958069), (56357, 358003), (136867, 147413)]